To be troubled or worried in Engpsh, you can say "to be plagued by" or "to be beset by" something. For example, "I've been plagued by anxiety lately" or "I've been beset by financial troubles." Another phrase you could use is "to be troubled by," as in "I've been troubled by a lot of stress lately." If you want to be more specific, you can say that you are "troubled by a particular problem," such as "I've been troubled by my inabipty to focus on my work."